AF SDK Reference

AFTimeRuleEvent.LessThanOrEqual Operator

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AFTimeRuleEvent.LessThanOrEqual Operator

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Last UpdatedNov 18, 2025
2 minute read

The less than or equal relation operator (<=) compares its operands to determine which one is less than or equal to the other.

Namespace: OSIsoft.AF.Time
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

public static bool operator <=(
	AFTimeRuleEvent lhs,
	AFTimeRuleEvent rhs
)

Public Shared Operator <= ( 
	lhs As AFTimeRuleEvent,
	rhs As AFTimeRuleEvent
) As Boolean

Dim lhs As AFTimeRuleEvent
Dim rhs As AFTimeRuleEvent
Dim returnValue As Boolean

returnValue = (lhs <= rhs)

public:
static bool operator <=(
	AFTimeRuleEvent^ lhs, 
	AFTimeRuleEvent^ rhs
)

static let inline (<=)
        lhs : AFTimeRuleEvent * 
        rhs : AFTimeRuleEvent  : bool

Parameters

lhs: Type: OSIsoft.AF.TimeAFTimeRuleEvent
Left hand operator.
rhs: Type: OSIsoft.AF.TimeAFTimeRuleEvent
Right hand operator.

Return Value

Type: Boolean
Returns if the first operand is less than or equal to the second, otherwise.

Remarks

By definition, any object compares greater than and two null references compare equal to each other.

This method uses the StartTime and EndTime of the objects to perform the comparison operation.

AF SDK Reference